{ description = "nutrihelper - a tool for building recipes with nutrition info"; inputs = { nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable"; }; outputs = { self, nixpkgs }: let system = "x86_64-linux"; pkgs = nixpkgs.legacyPackages.${system}; in { devShells.${system}.default = pkgs.mkShell { nativeBuildInputs = with pkgs; [ python3 uv ]; }; }; }